Mouse on, mouse off
// ==UserScript==
// @name Excel at JOL
// @namespace https://github.com/shmup
// @version 1.0.0
// @description Mouse on, mouse off
// @include https://deckserver.net/jol/*
// @run-at document-idle
// @grant GM_addStyle
// ==/UserScript==
/* jshint esversion: 6 */
/* Written for https://tampermonkey.net */
/* https://greasyfork.org/en/scripts/379008-excel-at-jol */
GM_addStyle("#screensaver {width: 100%;height: 100%;position: fixed;top: 0;left: 0;background: white url('https://i.imgur.com/UdGenYq.png') no-repeat center center fixed;background-size: auto;background-size: cover; pointer-events: none; }");
GM_addStyle("body:hover #screensaver { display: none; }");
(function(window) {
'use strict';
document.body.innerHTML += "<div id='screensaver' />";
})(window);